Journal
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
Volume 15, Issue 8, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssr.202100197
Keywords
antidots; domain walls; magnetization reversal; nanomagnetism; nanowires; self-aligned nanofabrication
Funding
- Ministry of Education [R-263-000-E21-114]
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The study reports a 3D matrix created by self-alignment of nanowires and 2D antidots, and analyzes the magnetic behaviors within it, revealing the driving mechanisms of different axis magnetization behaviors and the process of domain wall propagation.
A 3D matrix created by self-alignment of nanowires and 2D antidots is reported. Interactions between nanowires and antidots leading to non-conventional magnetic properties in the 3D matrix are reported. While the easy-axis magnetization of the 3D matrix is dominated by shape anisotropy of the nanowires, the hard-axis magnetization reversal behavior is driven by the bottom 2D antidots. Detailed analysis reveals a defect-induced domain wall propagation process for the easy-axis-reversal process. Micromagnetic simulations show good agreement with experimental results.
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